SUSE Security Update: Security update for curl
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:1786-1
Rating:             moderate
References:         #1175109 #1177976 #1179398 #1179399 #1179593 
                    #1183933 #1186114 
Cross-References:   CVE-2020-8231 CVE-2020-8284 CVE-2020-8285
                    CVE-2020-8286 CVE-2021-22876 CVE-2021-22898
                   
CVSS scores:
                    CVE-2020-8231 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
                    CVE-2020-8231 (SUSE): 3.7
 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
                    CVE-2020-8284 (NVD) : 3.7
 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
                    CVE-2020-8284 (SUSE): 4.3
 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
                    CVE-2020-8285 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-8285 (SUSE): 6.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
                    CVE-2020-8286 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
                    CVE-2020-8286 (SUSE): 6.5
 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
                    CVE-2021-22876 (NVD) : 5.3
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
                    CVE-2021-22876 (SUSE): 6.1
 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
                    CVE-2021-22898 (SUSE): 5.3
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Products:
                    SUSE OpenStack Cloud Crowbar 9
                    SUSE OpenStack Cloud 9
                    SUSE Linux Enterprise Server for SAP 12-SP4
                    SUSE Linux Enterprise Server 12-SP4-LTSS
______________________________________________________________________________

   An update that solves 6 vulnerabilities and has one errata
   is now available.

Description:

   This update for curl fixes the following issues:
   - CVE-2021-22898: TELNET stack contents disclosure (bsc#1186114)
   - CVE-2021-22876: The automatic referer leaks credentials (bsc#1183933)
   - CVE-2020-8286: Inferior OCSP verification (bsc#1179593)
   - CVE-2020-8285: FTP wildcard stack overflow (bsc#1179399)
   - CVE-2020-8284: Trusting FTP PASV responses (bsc#1179398)
   - CVE-2020-8231: libcurl will pick and use the wrong connection with
     multiple requests with libcurl's multi API and the
     'CURLOPT_CONNECT_ONLY' option (bsc#1175109)
   - Fix: SFTP uploads result in empty uploaded files (bsc#1177976)


Patch Instructions:

   To install this SUSE Security Update use the SUSE recommended installation
 methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE OpenStack Cloud Crowbar 9:

      zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-1786=1

   - SUSE OpenStack Cloud 9:

      zypper in -t patch SUSE-OpenStack-Cloud-9-2021-1786=1

   - SUSE Linux Enterprise Server for SAP 12-SP4:

      zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-1786=1

   - SUSE Linux Enterprise Server 12-SP4-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-1786=1



Package List:

   - SUSE OpenStack Cloud Crowbar 9 (x86_64):

      curl-7.60.0-4.20.1
      curl-debuginfo-7.60.0-4.20.1
      curl-debugsource-7.60.0-4.20.1
      libcurl4-32bit-7.60.0-4.20.1
      libcurl4-7.60.0-4.20.1
      libcurl4-debuginfo-32bit-7.60.0-4.20.1
      libcurl4-debuginfo-7.60.0-4.20.1

   - SUSE OpenStack Cloud 9 (x86_64):

      curl-7.60.0-4.20.1
      curl-debuginfo-7.60.0-4.20.1
      curl-debugsource-7.60.0-4.20.1
      libcurl4-32bit-7.60.0-4.20.1
      libcurl4-7.60.0-4.20.1
      libcurl4-debuginfo-32bit-7.60.0-4.20.1
      libcurl4-debuginfo-7.60.0-4.20.1

   - SUSE Linux Enterprise Server for SAP 12-SP4 (ppc64le x86_64):

      curl-7.60.0-4.20.1
      curl-debuginfo-7.60.0-4.20.1
      curl-debugsource-7.60.0-4.20.1
      libcurl4-7.60.0-4.20.1
      libcurl4-debuginfo-7.60.0-4.20.1

   - SUSE Linux Enterprise Server for SAP 12-SP4 (x86_64):

      libcurl4-32bit-7.60.0-4.20.1
      libcurl4-debuginfo-32bit-7.60.0-4.20.1

   - SUSE Linux Enterprise Server 12-SP4-LTSS (aarch64 ppc64le s390x x86_64):

      curl-7.60.0-4.20.1
      curl-debuginfo-7.60.0-4.20.1
      curl-debugsource-7.60.0-4.20.1
      libcurl4-7.60.0-4.20.1
      libcurl4-debuginfo-7.60.0-4.20.1

   - SUSE Linux Enterprise Server 12-SP4-LTSS (s390x x86_64):

      libcurl4-32bit-7.60.0-4.20.1
      libcurl4-debuginfo-32bit-7.60.0-4.20.1


References:

   https://www.suse.com/security/cve/CVE-2020-8231.html
   https://www.suse.com/security/cve/CVE-2020-8284.html
   https://www.suse.com/security/cve/CVE-2020-8285.html
   https://www.suse.com/security/cve/CVE-2020-8286.html
   https://www.suse.com/security/cve/CVE-2021-22876.html
   https://www.suse.com/security/cve/CVE-2021-22898.html
   https://bugzilla.suse.com/1175109
   https://bugzilla.suse.com/1177976
   https://bugzilla.suse.com/1179398
   https://bugzilla.suse.com/1179399
   https://bugzilla.suse.com/1179593
   https://bugzilla.suse.com/1183933
   https://bugzilla.suse.com/1186114